American Mathematical Society (AMS) - Programs that promote mathematical research and foster excellence in mathematics education source

Math•ed•ology - Multimedia-based training program includes classroom video footage of 25 K-5 mathematics lessons designed to exemplify NCTM standards, and commentary from master teachers source

Mathematics Association of America - Information about the MAA including membership information, book reviews, issues in education, and employment opportunities source

National Council of Teachers of Mathematics - A professional association of mathematics educators. Publishes journals, books, video and software. Provides professional development through annual, regional, and leadership conferences source

Teacher Link: Helping Hands - A newsletter with activity ideas for teaching about various math topics. Click on the semester and year to view archives source

The ProTeacher Collection - Tens of thousands of teaching ideas and advice from experienced teachers across the United States and around the world. A FREE service brought to you by members of the ProTeacher Community.

ProTeacher Community - Visit our growing community of elementary and middle school teachers! Get involved today! Dozens of active boards, blogs and chat; hundreds of active discussions, and tens of thousands of teaching ideas. Newcomers always welcome! source